Cartis diligence evidence schedule
IREN Childress Horizon AI Data Center Campus
PRJ-0717 · Site · Childress, Texas, United States
Record last updated Oct 28, 2026
Scope and capacity
IREN announced on August 13, 2026 that Horizon 1 had been delivered to and accepted by Microsoft, representing the first 50 MW IT deployment in the four-part Horizon program. The 200 MW contracted critical IT scope across Horizon 1–4 does not mean all four deployments are operational. IREN is delivering four Horizon data centers at its Childress campus under a multi-year Microsoft agreement. Horizon 1–4 collectively provide 200 MW of contracted critical IT load within the broader 750 MW campus. IREN, Microsoft is associated with the development in Childress, Childress County, TX, US. The disclosed development scope includes 200 MW contracted critical IT across Horizon 1–4; 750 MW broader campus; phased deployment through 2026. Power and physical infrastructure include liquid-cooled GPU data centers within IREN’s Childress power campus. IREN states Horizon 1–4 will collectively provide 200 MW of critical IT load under the Microsoft agreement.
Headline: 200 MW Contracted
Numbers refer to their stated physical boundaries and are not added together. Source dates, claim dates and record updates have different meanings. Missing dates and locators are not inferred.
Claims and exhibit sources
Jump to a claim (12)
Location context · IREN Childress campus | Childress | Texas
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 58008 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Lifecycle status · Construction
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 58009 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Reported capacity · 200 MW
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 58010 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
Headline treatment: Separate claim, not added to the headline
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Capacity basis · IREN states Horizon 1–4 will collectively provide 200 MW of critical IT load under the Microsoft agreement.
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 58011 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Location context · IREN Childress campus | Childress | Texas
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111495 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Lifecycle status · Construction
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111496 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Reported capacity · 200 MW
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111497 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
Headline treatment: Selected headline
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Capacity basis · IREN states Horizon 1–4 will collectively provide 200 MW of critical IT load under the Microsoft agreement.
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111498 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Development scale · 200 MW contracted critical IT across Horizon 1–4
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111515 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN investor disclosures
IREN · Document date: Aug 27, 2026 · Corroborating
Source reference: SRC-6266 · Fact sheet · Recorded authority: Official primary
Source URL
https://iren.com/investors
https://iren.com/investors
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Development milestone · 750 MW broader campus
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111516 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN investor disclosures
IREN · Document date: Aug 27, 2026 · Corroborating
Source reference: SRC-6266 · Fact sheet · Recorded authority: Official primary
Source URL
https://iren.com/investors
https://iren.com/investors
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Power arrangement · Phased deployment through 2026.
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111517 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN investor disclosures
IREN · Document date: Aug 27, 2026 · Corroborating
Source reference: SRC-6266 · Fact sheet · Recorded authority: Official primary
Source URL
https://iren.com/investors
https://iren.com/investors
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Site configuration · IREN Childress campus | Childress | Texas
Actual · IREN Childress Horizon AI Data Center Campus (Project)
Claim 111518 · Recorded claim type: Actual · Review: Approved · Claim date: Not stated
- IREN investor disclosures
IREN · Document date: Aug 27, 2026 · Corroborating
Source reference: SRC-6266 · Fact sheet · Recorded authority: Official primary
Source URL
https://iren.com/investors
https://iren.com/investors
- IREN signs Microsoft AI cloud infrastructure agreement
IREN · Document date: Nov 3, 2025 · Primary
Source reference: SRC-3181 · Company announcement · Recorded authority: Party primary
Source URL
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
https://iren.com/resources/blog/iren-signs97-billion-agreement-with-microsoft-to-deploy-ai-cloud-infrastructure
Counterparties and capital
This schedule captures public Cartis research. It is not a title, lien or legal-opinion report. Document page/section locators and claim review timestamps are included only when published; this version has no separate locator or claim-review-time feed.